diff --git a/docs/_layouts/default.html b/docs/_layouts/default.html
index 46ce89e..36cfa29 100644
--- a/docs/_layouts/default.html
+++ b/docs/_layouts/default.html
@@ -27,6 +27,7 @@
         <a href="{{ site.github.zip_url }}" class="btn">Download .zip</a>
         <a href="{{ site.github.tar_url }}" class="btn">Download .tar.gz</a>
       {% endif %}
+      <a href="https://heplean.github.io/HepLean/TODOList" class="btn">TODO List</a>
     </header>
 
     <main id="content" class="main-content" role="main">